SHARP-TAILED GROUSE. 125 



feathers, most numerous upon the breast and flanks, and grow- 

 ing gradually smaller and fewer as they approach the abdomen; 

 central elongated feathers of the tail, black, irregularly barred 

 with white and light buff, remainder of feathers, white; under 

 tail-coverts, white, with a dark brown line along the shafts of 

 some of the feathers. Legs and toes, covered with hairy light 

 brown feathers; bill, blackish brown. Total length, about 16 

 inches; wing, %\\ tail, to end of median feathers, 5^. 



Adult Female. — There does not seem to be any particular dif- 

 ference in the coloration of the sexes, but the female may be 

 slightly smaller. 



